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  <div id="layout-content"><div id="sqlite3.query" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SQLite3::query</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">SQLite3::query</span> &mdash; <span class="dc-title">Executes an SQL query</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-sqlite3.query-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>SQLite3::query</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$query</code></span>): <span class="type"><span class="type"><a href="class.sqlite3result.html" class="type SQLite3Result">SQLite3Result</a></span>|<span class="type"><span class="type false">false</span></span></span></div>

  <p class="para rdfs-comment">
   Executes an SQL query, returning an <span class="classname"><a href="class.sqlite3result.html" class="classname">SQLite3Result</a></span> object.
   If the query does not yield a result (such as DML statements) the returned
   <span class="classname"><a href="class.sqlite3result.html" class="classname">SQLite3Result</a></span> object is not really usable.
   Use <span class="methodname"><a href="sqlite3.exec.html" class="methodname">SQLite3::exec()</a></span> for such queries instead.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-sqlite3.query-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">query</code></dt>

     <dd>

      <p class="para">
       The SQL query to execute.
      </p>
     </dd>

    
   </dl>

  </p>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-sqlite3.query-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an <span class="classname"><a href="class.sqlite3result.html" class="classname">SQLite3Result</a></span> object,  或者在失败时返回 <strong><code>false</code></strong>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-sqlite3.query-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-1952">
    <p><strong>示例 #1 <span class="function"><strong>SQLite3::query()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$db&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">SQLite3</span><span style="color: #007700">(</span><span style="color: #DD0000">'mysqlitedb.db'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$results&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$db</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">'SELECT&nbsp;bar&nbsp;FROM&nbsp;foo'</span><span style="color: #007700">);<br />while&nbsp;(</span><span style="color: #0000BB">$row&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$results</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">fetchArray</span><span style="color: #007700">())&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


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